Physical Properties

Description: Clear, colorless to yellow liquid

Warning properties: Suffocating, pungent odor at 0.16 ppm

Molecular weight: 56.06 daltons

Boiling point(760 mm Hg): 126.5ºF (52.5ºC)

Freezing point: -126ºF (-88.0ºC)

Vapor pressure: 210 mm Hg at 68ºF (20ºC)

Gas density: 1.94 (air = 1)

Specific gravity: 0.84 (water = 1)

Water solubility: 208 g/L at 20ºC

Flash point: -15ºF (-26.1ºC)

Flammable range: 2.8% to 31% (concentration in air)